Reaction catalyzed by 8-demethyltetracenomycin C L-rhamnosyltransferase (2.4.1.331)
+
=
+
dTDP-beta-L-rhamnose
+
8-demethyltetracenomycin C
=
dTDP
+
8-demethyl-8-alpha-L-rhamnosyltetracenomycin C